Throughout her career, Professor Rousseau has inspired people of all ages and diverse backgrounds through her lectures, publications, and a wide range of activities reaching out to the general public. In particular, through her visionary leadership of the thematic year Mathematics of Planet Earth 2013 and her continuing active involvement in the ongoing activities that grew from it, Professor Rousseau has created opportunities for the mathematics community worldwide to confront crucial challenges facing our planet while highlighting the contributions of mathematicians to the well-being of society.

Christiane served as president of the Canadian Mathematical Society from 2002 to 2004, vice president of the International Mathematical Union from 2011 to 2014, and has been a member of the Scientific Board of UNESCO’s International Basic Sciences Program since 2015. She was named an AMS Fellow in 2013 and won the MAA’s George Pólya Prize in 2014 for her article “How Inge Lehmann Discovered the Inner Core of the Earth” (The College Mathematics Journal, Vol. 45, no. 3).